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प्रश्न
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उत्तर
Food is a mixture of nutritive substances which when taken and incorporated into the body tissues provide materials for energy, repair, growth, reproduction, regulation of life processes, and resistance to diseases.
संबंधित प्रश्न
Explain the following term with an example:
Carnivore
Goitre is caused by a deficiency of the mineral ______.
Classify according to food-type.
Tick
Very Short Answer Type Questions:
Name two plant food items which provide proteins.
Short Answer Type Questions:
Write the functions of water in our body.
What is common for Cuscuta, ticks and leeches?
Organisms that prepare food for themselves using simple naturally available raw materials are referred to as ______.
Which of the following statements is/are correct?
- All green plants can prepare their own food.
- Most animals are autotrophs.
- Carbon dioxide is not required for photosynthesis.
- Oxygen is liberated during photosynthesis.
Choose the correct answer from the options below:
Read the food items given below:
- Wheat
- Ghee
- Iodised salt
- Spinach (palak)
Which of the above food items are “energy giving foods”?
Take a potted plant with broad leaves. Take two strips of black paper and cut out a small square in the centres. Cover a part of two leaves with these papers and secure them with paper clips Figure. Keep the plant in sunlight for 2–5 days. Observe the difference in the colour of the covered and the uncovered portions on the leaf. Perform iodine test on this leaf. Did the two parts show different results? Now take second leaf. Remove the strip and expose the covered part to the sunlight for 2–3 days and do the iodine test again. Describe your observations.
